V0603MHS12H Circuit Protection

Series:	MHS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	14V
Maximum DC Volts:	18V
Energy:	0.015J
Number of Circuits:	1
Capacitance @ Frequency:	12pF @ 1MHz
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Surface Mount, MLCV
Package / Case:	0603 (1608 Metric)

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V0603MHS12H Application Field and Working Principle

V0603MHS12H is a device in the TVS - Varistors, MOVs category. This type of device is designed to protect against transient voltage surge. They absorb energy and limiting surge voltage, allowing the normal operation of the equipment connected to them. This type of device can be used in a wide array of applications, including consumer electronics, medical devices, automotive electronics, telecommunications equipment, and even electric motors.

Application Field

V0603MHS12H is the most common type of Transient Voltage Suppressor (TVS) device available on the market. It’s usually used in relatively low voltage protection, and operates efficiently in a wide range of DC and AC power equipment. Devices such as this are used in many consumer electronic, automotive, and other high-end industrial equipment. It can also be used in safety equipment, and in electronic products that need additional protection against blackout or voltage fluctuation. In terms of design, the V0603MHS12H has an optional “noise filter,” which filters out high-frequency noise. This is especially useful in applications where noise is prevalent, like in military or industrial equipment. Additionally, many V0603MHS12H devices have dual pins, which allows for easy and quick connection of other devices.

Working Principle

The V0603MHS12H is a self-protection device that absorbs the energy from a surge event. When it detects a surge of voltage that is above the threshold, either from the steady-state DC source, or from short duration high voltage event such as a transient voltage surge, it absorbs the excess energy and dissipates it across its terminals. When the device detects a surge, it becomes increasingly conductive to provide a path for the surge current to flow. This prevents the electrical circuitry connected to the device from suffering permanent damage during the surge event. As the surge continues, the device\'s capacitance store more energy until the device is "saturated" by the current. This passes the current to the device\'s clamping voltage - which is the peak voltage of that surge - and limits the current to the tolerance level. When the surge ends, the energy stored in the capacitance dissipates, and the device returns to its normal open circuit state until it detects another surge. The device can be reset to its normal position after a surge event by applying a DC voltage to it, allowing it to start protecting its load again.The V0603MHS12H is a very useful and versatile device in the TVS-Varistors-MOVs category. It offers reliable and efficient protection of electronics against transient voltage, meaning it can be safely used in a wide range of applications. Additionally, it\'s relatively inexpensive, making it suitable for smaller sets as well.

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